Special Features:

Bench mockup set; c/o control monitor, duplexer, receiver, processor; these are the component parts, as modified, for use as bench mock up and/or calibration test equipment

Properties:

Two or more different types of items, having a common mounting or mounted on each other, which together form a portion of a countermeasures set, but which in itself is not a complete functioning item and cannot be assigned a more definite item name.